7 lines (6 with data), 258 Bytes

m195b 0 128 0 13:45:00 20/05/1990
# Start time=13:45
# First beat=13:53:08.851
# <age-range>: 50-54, <sex>: Male, <medication>: Moricizine
# <RR-low-limit(sec)>: 0.476,  <RR-high-limit(sec)>: 0.875
# Note: recording with a timing signal, flutter-compensated